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Can a Vaccine Cause Bell's Palsy?

The Greenwood Law Firm April 3, 2025

What Is Bell’s Palsy?

Bell’s palsy is a sudden and temporary paralysis or weakness on one side of the face, making it difficult to smile, close one eye, or move facial muscles normally. The exact cause isn’t fully understood, but experts believe it results from inflammation of the facial nerve, often triggered by viral infections.

Most cases of Bell’s palsy improve within weeks, with full recovery typically occurring within six months. However, some individuals experience long-term symptoms or recurrent episodes.

Is There a Connection Between Vaccines and Bell’s Palsy?

Bells PalsyScientific research continues to explore the possible link between vaccines and Bell’s palsy. A study in Taiwan examined the risk of Bell’s palsy in older adults following influenza vaccination. Additionally, a case report documented Bell’s palsy in a 7-month-old infant after receiving an influenza vaccine. While these studies do not prove that vaccines directly cause Bell’s palsy, they underscore the importance of monitoring vaccine-related adverse events.

The Vaccine Adverse Event Reporting System (VAERS), managed by the Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA), collects reports of vaccine-related side effects, including Bell’s palsy. If you or a loved one developed Bell’s palsy after vaccination, reporting the case to VAERS can contribute to ongoing research and safety monitoring.

Recognizing Bell’s Palsy Symptoms

Symptoms of Bell’s palsy appear suddenly and may include:

  • Weakness or paralysis on one side of the face

  • Drooping of the mouth or eyelid

  • Difficulty closing one eye or smiling

  • Loss of taste

  • Increased sensitivity to sound on the affected side

  • Headache or pain around the ear

Warning! If you experience sudden facial weakness, or any type of paralysis, seek immediate medical attention to rule out other serious conditions, such as a stroke.

What Should You Do If You Develop Bell’s Palsy After a Vaccine?

If you suspect your Bell’s palsy may be linked to a vaccine, follow these steps:

  1. Consult a doctor for diagnosis and treatment.

  2. Report your case to VAERS to contribute to vaccine safety monitoring.

  3. Speak with a vaccine injury attorney to explore your legal rights and potential compensation.

Can You Get Compensation for Vaccine-Related Bell’s Palsy?

The National Vaccine Injury Compensation Program (VICP) provides financial compensation to individuals who experience adverse effects from covered vaccines. Compensation can help cover:

  • Medical expenses

  • Lost wages

  • Pain and suffering

Filing a vaccine injury claim can be complex, requiring medical records, expert opinions, and legal documentation. An experienced vaccine attorney can guide you through the process at no cost to you—the VICP covers attorney fees.

Contact a Vaccine Injury Lawyer Today

If you or a loved one developed Bell’s palsy after vaccination, you may have a legal claim. At Texas Vaccine Lawyers, a Division of The Greenwood Law Firm, we help clients navigate the VICP claims process to seek justice for vaccine-related injuries. Schedule a free consultation to discuss your case and explore your legal options.

Sources

  • Mayo Clinic. Bell’s Palsy Overview

  • Hu C, Wei K, Wang W, Chang Y, Huang Y. Association of Influenza Vaccination With Risk of Bell Palsy Among Older Adults in Taiwan. JAMA Otolaryngol Head Neck Surg. 2023;149(8):726–734. doi:10.1001/jamaoto.2023.1392

  • Silverman E, Matsumoto C, Wang HC, Ma L. Incomplete Bell's Palsy Following Influenza Vaccination in a 7-Month-Old. Clin Pediatr (Phila). 2023 Nov;62(11):1318-1322. doi: 10.1177/00099228231158366. Epub 2023 Mar 30. PMID: 36994991; PMCID: PMC10548764.